poly·​ole·​fin | \ ˌpä-lē-ˈō-lə-fən How to pronounce polyolefin (audio) \

Definition of polyolefin

: a polymer of an alkene (such as polyethylene)

Examples of polyolefin in a Sentence

Recent Examples on the Web Borealis is the world’s sixth-biggest maker of polyolefins - plastics made from oil - and had net income of 872 million euros ($984 million) on 8.1 billion euros of revenue last year. Boris Groendahl, Bloomberg.com, "OMV Evaluates $4.68 Billion Borealis Petrochemicals Deal," 5 May 2020 Taking over the maker of polyolefins, base chemicals, and fertilizer would accelerate Chief Executive Office Rainer Seele’s move toward higher-value, lower-emission oil products. Boris Groendahl, Bloomberg.com, "OMV Evaluates $4.68 Billion Borealis Petrochemicals Deal," 5 May 2020 The primary material in many tampon applicators is a malleable plastic called polyolefin, while the absorbent core is typically made from a blend of cotton and/or rayon, and strings can be a mix of cotton, polyester, rayon, and more plastic. Gabi Thorne, Allure, "3 Reusable Menstrual Products to Try for a More Eco-Friendly Period," 27 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polyolefin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polyolefin

1930, in the meaning defined above

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The first known use of polyolefin was in 1930

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Cite this Entry

“Polyolefin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyolefin. Accessed 11 Apr. 2021.

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Britannica.com: Encyclopedia article about polyolefin

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